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authorPeter Zijlstra <peterz@infradead.org>2014-03-17 13:06:10 -0400
committerIngo Molnar <mingo@kernel.org>2014-04-18 08:20:48 -0400
commit4e857c58efeb99393cba5a5d0d8ec7117183137c (patch)
tree3f6fd464e4fddb2fe90374c075c9d06603cf8bbc /include/asm-generic
parent1b15611e1c30b37abe393d411c316cd659920bf5 (diff)
arch: Mass conversion of smp_mb__*()
Mostly scripted conversion of the smp_mb__* barriers. Signed-off-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Link: http://lkml.kernel.org/n/tip-55dhyhocezdw1dg7u19hmh1u@git.kernel.org Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: linux-arch@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/asm-generic')
-rw-r--r--include/asm-generic/bitops/atomic.h2
-rw-r--r--include/asm-generic/bitops/lock.h2
2 files changed, 2 insertions, 2 deletions
diff --git a/include/asm-generic/bitops/atomic.h b/include/asm-generic/bitops/atomic.h
index 9ae6c34dc191..49673510b484 100644
--- a/include/asm-generic/bitops/atomic.h
+++ b/include/asm-generic/bitops/atomic.h
@@ -80,7 +80,7 @@ static inline void set_bit(int nr, volatile unsigned long *addr)
80 * 80 *
81 * clear_bit() is atomic and may not be reordered. However, it does 81 * clear_bit() is atomic and may not be reordered. However, it does
82 * not contain a memory barrier, so if it is used for locking purposes, 82 * not contain a memory barrier, so if it is used for locking purposes,
83 * you should call smp_mb__before_clear_bit() and/or smp_mb__after_clear_bit() 83 * you should call smp_mb__before_atomic() and/or smp_mb__after_atomic()
84 * in order to ensure changes are visible on other processors. 84 * in order to ensure changes are visible on other processors.
85 */ 85 */
86static inline void clear_bit(int nr, volatile unsigned long *addr) 86static inline void clear_bit(int nr, volatile unsigned long *addr)
diff --git a/include/asm-generic/bitops/lock.h b/include/asm-generic/bitops/lock.h
index 308a9e22c802..c30266e94806 100644
--- a/include/asm-generic/bitops/lock.h
+++ b/include/asm-generic/bitops/lock.h
@@ -20,7 +20,7 @@
20 */ 20 */
21#define clear_bit_unlock(nr, addr) \ 21#define clear_bit_unlock(nr, addr) \
22do { \ 22do { \
23 smp_mb__before_clear_bit(); \ 23 smp_mb__before_atomic(); \
24 clear_bit(nr, addr); \ 24 clear_bit(nr, addr); \
25} while (0) 25} while (0)
26 26